/*
 *  The MIT License
 * 
 *  Copyright 2011 ChuckToh.
 * 
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 * 
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 * 
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
package NicholasServlets;

import NicholasValueBeans.Document;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author ChuckToh
 */
public class processNewDocument extends HttpServlet {

    private String categoryParameter = "category";
    private String titleParameter = "title";
    private String contentParameter = "content";
    private String location = "/Nicholas/Nicholasindex.jsp#tabs-7";

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String afterNewDocumentMessage = "";
        HttpSession session = request.getSession();
        try {
            String category = request.getParameter(categoryParameter);
            String title = request.getParameter(titleParameter);
            String content = request.getParameter(contentParameter);

            if (title.isEmpty() || content.isEmpty() || category.isEmpty()) {
                afterNewDocumentMessage = "<font color='red'>Required fields are not filled in!</font>";
            } else {
                int ownerId = 1;
                Date dateCreated = new Date(System.currentTimeMillis());
                Document d = new Document(ownerId, category, title, content, dateCreated);
                if (d.insertIntoSQLTable()) {
                    d.writeToFile(title);
                    afterNewDocumentMessage = "Your document has been created!";
                } else {
                    afterNewDocumentMessage = "<font color='red'>There has been an error submitting your feedback! Please try again.</font>";
                }
            }
        } catch (Exception ex) {
            afterNewDocumentMessage = "<font>An internal error has occured! Your document couldn't be created. Our sincerest apologies.</font>";
            System.out.println(ex.getMessage());
        } finally {
            session.setAttribute("afterNewDocumentMessage", afterNewDocumentMessage);
            response.sendRedirect(request.getContextPath() + location);
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
